/*
 * Copyright 2009 Red Hat, Inc.
 *
 * Red Hat licenses this file to you under the Apache License, version 2.0
 * (the "License"); you may not use this file except in compliance with the
 * License.  You may obtain a copy of the License at:
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
 * License for the specific language governing permissions and limitations
 * under the License.
 */

package org.sendvox.freswitch.outbound.impl;

import java.util.concurrent.Executor;
import java.util.logging.Level;
import java.util.logging.Logger;

import org.jboss.netty.channel.ChannelEvent;
import org.jboss.netty.channel.ChannelHandlerContext;
import org.jboss.netty.util.EstimatableObjectWrapper;

/**
 * a {@link Runnable} which sends the specified {@link ChannelEvent} upstream.
 * Most users will not see this type at all because it is used by
 * {@link Executor} implementors only
 * 
 * @author <a href="http://www.jboss.org/netty/">The Netty Project</a>
 * @author <a href="http://gleamynode.net/">Trustin Lee</a>
 * 
 * @version $Rev: 2187 $, $Date: 2010-02-19 17:43:13 +0900 (Fri, 19 Feb 2010) $
 * 
 */
public class ChannelEventRunnable implements Runnable, EstimatableObjectWrapper {

	private static final Logger logger = Logger
			.getLogger(ChannelEventRunnable.class.getName());

	private final ChannelHandlerContext ctx;
	private final ChannelEvent e;
	int estimatedSize;

	/**
	 * Creates a {@link Runnable} which sends the specified {@link ChannelEvent}
	 * upstream via the specified {@link ChannelHandlerContext}.
	 */
	public ChannelEventRunnable(ChannelHandlerContext ctx, ChannelEvent e) {
		this.ctx = ctx;
		this.e = e;
	}

	/**
	 * Returns the {@link ChannelHandlerContext} which will be used to send the
	 * {@link ChannelEvent} upstream.
	 */
	public ChannelHandlerContext getContext() {
		return ctx;
	}

	/**
	 * Returns the {@link ChannelEvent} which will be sent upstream.
	 */
	public ChannelEvent getEvent() {
		return e;
	}

	/**
	 * Sends the event upstream.
	 */
	public void run() {
		try {
			ctx.sendUpstream(e);
		} catch (Throwable t) {
			logger.log(Level.SEVERE, "Caught -->", t);
		}
	}

	public Object unwrap() {
		return e;
	}
}
